diff --git a/app/assets/javascripts/app/views/layout_ref/communication_overview.jst.eco b/app/assets/javascripts/app/views/layout_ref/communication_overview.jst.eco
index 4428daa32..6e06ac127 100644
--- a/app/assets/javascripts/app/views/layout_ref/communication_overview.jst.eco
+++ b/app/assets/javascripts/app/views/layout_ref/communication_overview.jst.eco
@@ -243,6 +243,10 @@ Oliver<br>
                   <div class="attachment-name u-highlight">something with very long line which is slonger as the container arount it if you can see it I wish you a very happy day.txt</div>
                   <div class="attachment-size">17.1 kb</div>
                 </div>
+                <div class="attachment horizontal">
+                  <div class="attachment-name u-highlight">something-withverylonglinewhichisslongerasthecontainerarountitifyoucanseeitIwishyouaveryhappyday.txt</div>
+                  <div class="attachment-size">17.1 kb</div>
+                </div>
               </div>
             </div>
           </div>